Overview

BluePrint Builder Series LS427/800HP Supercharged Crate Engine and 4L80E-HD Trans Combos

The BluePrint Builder Series LS427/800 hp Supercharged crate engine and 4L80E-HD trans combo is a complete, ready-to-install LS-based powertrain package. It features a powerful 427 cu. in. engine making 800 hp and 780 lbs.-ft. of torque—paired with a heavy-duty 4L80E automatic transmission, Holley EFI, and essential accessories, designed for muscle cars and hot rods needing serious modern performance in a plug-and-play format. This kit combines a forged rotating assembly, high-flow heads, and a Magnuson supercharger for extreme power, simplifying swaps with pre-matched components.

Key features and components:

* Engine: GM LS compatible 427 cu. in. (7.0L) small block with an LSX-style block
* Power output: Appx. 800 hp and 780 lbs.-ft. torque
* Supercharger: Magnuson 2650 supercharger for maximum boost
* Internal components: Forged crankshaft, forged pistons, aluminum cylinder heads, hydraulic roller cam
* Fueling: Holley Terminator X EFI system for precise control
* Transmission: Heavy-duty 4L80E automatic
* Accessories: Includes water pump, alternator, power steering, A/C, and belts (often with choice of black or polished pulleys)
* Package deal: Combines engine, transmission, and accessories for easier installation
* Each package is dyno-tested
* Benefits of this combo:
-- Convenience: Saves time and money by bundling major drivetrain components that are already matched and assembled
-- High performance: Delivers massive power for street performance, track days, or custom builds
-- Modern tech: EFI control, LS platform compatibility, and modern components
-- Reliability: Built with strong internals and paired with a robust transmission and accessories
-- It's a complete, powerful, and simplified modern LS powertrain solution for serious performance enthusiasts

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